61147461151 has 16 divisors (see below), whose sum is σ = 73571464960. Its totient is φ = 49646416320.

The previous prime is 61147461139. The next prime is 61147461161. The reversal of 61147461151 is 15116474116.

It is not a de Polignac number, because 61147461151 - 2⁵ = 61147461119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61147461151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61147461101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017091 + ... + 1075531.

It is an arithmetic number, because the mean of its divisors is an integer number (4598216560).

Almost surely, 2^61147461151 is an apocalyptic number.

61147461151 is a deficient number, since it is larger than the sum of its proper divisors (12424003809).

61147461151 is a wasteful number, since it uses less digits than its factorization.

61147461151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66334.

The product of its digits is 20160, while the sum is 37.

The spelling of 61147461151 in words is "sixty-one billion, one hundred forty-seven million, four hundred sixty-one thousand, one hundred fifty-one".